What’s Vulnerable › Vulnerabilities

CVE-2026-74280: crypto: marvell/octeontx - fix DMA cleanup using wrong loop index

• Severity: critical (CVSS 10.0 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-15 · updated 2026-08-17

Description

In the Linux kernel, the following vulnerability has been resolved: crypto: marvell/octeontx - fix DMA cleanup using wrong loop index The sg_cleanup path used list[i] instead of list[j] when unmapping DMA buffers, leaking successfully mapped entries and repeatedly unmapping the failed one.

Affected products

• Linux kernel: 5.7 — fixed in 7.2

How to fix

Upgrade to a fixed version: Linux kernel 7.2. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/5f99a396f706afc749448659d1565991330e4f71
• https://git.kernel.org/stable/c/6c721a3e43344f8560ee4ef506fc1f72b4646dcd
• https://git.kernel.org/stable/c/7891c64c0520519782470ba29bac8a5761e295d8
• https://git.kernel.org/stable/c/8a0db9fad3c97e6447a92417cb95d7c55eaa9530
• https://git.kernel.org/stable/c/8d301e5a51173ba56ce4f632a2a33bf6b14b0fcf
• https://git.kernel.org/stable/c/97f150ba3e372256eabb93bd80c2cf3740077fb5
• https://git.kernel.org/stable/c/acff30cfc0d72465b51b0bfdf019f1cb54e15314
• https://git.kernel.org/stable/c/ed374dbc70c10c4a864414b3d9c257faec8fd485

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